Ideal-gas compressibility pins: κ_T=1/P; κ_T(2P)/κ_T(P)=1/2

Layer 1 — Physicsin the high-pressure-physics subtree

Sympy-exact witness of the ideal-gas isothermal compressibility. Setup: κ_T = 1/P (derived from PV = nRT). Identity 1 (symbolic): κ_T = 1/P — inverse proportional to pressure. Identity 2 (pressure doubling): κ_T(2P)/κ_T(P) =…

Related concepts

Isothermal compressibility: κ_T = -(1/V)·(∂V/∂P)_T; ideal gas κ_T = 1/P

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